If you approve of the replacement tenant then you haven't been harmed.

there is a reason there is a real estate industry to keep folks like this that have no clue from harming those innocent sellers and buyers.

What is the easiest way to cut or somehow remove the locks without harming the door?

FYI:https://www.moneypit.com/fix-improve-it/home-safety-health/mold/mold-free-home-top-10-tips/https://www.mnn.com/money/green-workplace/stories/creating-a-mold-resistant-homeAnd I think that's where the whole asset protection strategy comes in play.

@Gabriel C. before I started using a SDIRA and SOLO401K for real estate investing I never had a 'workplace plan' as I have always been self employed.

I also think blurring the lines between active & passive is incredibly value & knowing when to have full control versus giving some up to a great manager doing great deals & benefitting from leverage versus becoming harmed by it.Look for quality in these areas or filtersDealLocationStrategyManagersAll weighed against time spent, returns & tax & other advantages.

I bet I can find 50,000 more stories of pit bulls who never harmed a single person.  

If during the refusing to leave they have been threatened with bodily harm an order of protection can be issued, talk to the victim advocate if that is the case. 

The law is based upon lead particles being released as being harmful to those in the area and those working on the area.If there are no lead particles disturbed by the job then there can be no contamination and you are in compliance no matter who you use.Anyone can question what was done.

No one cares to report and/or enforce the rule since there are no harmful cases to date?